/*!
 * @license
 * Copyright 2019 Alfresco, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Pipe, PipeTransform } from '@angular/core';
import { TranslationService } from '@alfresco/adf-core';
import { FormRendererFieldValidator } from '../models/form-renderer-field.interface';

@Pipe({
    name: 'formRendererFieldErrorMessage'
})
export class FormRendererFieldErrorMessagePipe implements PipeTransform {
    constructor(private readonly translationService: TranslationService) {
    }

    transform(label: string, validator: FormRendererFieldValidator): string {
        if(validator) {
            if (validator.type === 'required') {
                return label ?
                    this.translationService.instant('SDK.FORM_FIELDS_RENDERER.ERROR.REQUIRED', { fieldLabel: this.translationService.instant(label) }) :
                    this.translationService.instant('SDK.FORM_FIELDS_RENDERER.ERROR.DEFAULT_REQUIRED');
            } else {
                return this.translationService.instant(validator.error);
            }
        } else {
            return '';
        }
    }
}
